| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] [prep] [be] [prep] | 317 |
|
| 2 | could [not/n't] [verb] [prep] [be] | 86 |
|
| 3 | could [not/n't] [verb] [be] [prep] | 24 |
|
| 4 | could [verb] [prep] [be] [prep] | 10 |
|
